Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 133 insertions, 0 deletions

diff --git a/Source/WebKit/chromium/tests/ImageLayerChromiumTest.cpp b/Source/WebKit/chromium/tests/ImageLayerChromiumTest.cpp
new file mode 100644
index 000000000..b28f8e8b4
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+++ b/Source/WebKit/chromium/tests/ImageLayerChromiumTest.cpp
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#include "ImageLayerChromium.h"
+
+#include "GraphicsLayer.h"
+#include "GraphicsLayerChromium.h"
+#include "NativeImageSkia.h"
+#include <gtest/gtest.h>
+#include <wtf/PassOwnPtr.h>
+
+using namespace WebCore;
+
+namespace {
+
+class MockGraphicsLayerClient : public GraphicsLayerClient {
+  public:
+    virtual void notifyAnimationStarted(const GraphicsLayer*, double time) { }
+    virtual void notifySyncRequired(const GraphicsLayer*) { }
+    virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect& inClip) { }
+    virtual bool showDebugBorders() const { return false; }
+    virtual bool showRepaintCounter() const { return false; }
+};
+
+class TestImage : public Image {
+public:
+
+    static PassRefPtr<TestImage> create(const IntSize& size, bool opaque)
+    {
+        return adoptRef(new TestImage(size, opaque));
+    }
+
+    explicit TestImage(const IntSize& size, bool opaque)
+        : Image(0)
+        , m_size(size)
+    {
+        m_nativeImage = adoptPtr(new NativeImageSkia());
+        m_nativeImage->bitmap().setConfig(SkBitmap::kARGB_8888_Config,
+                                          size.width(), size.height(), 0);
+        m_nativeImage->bitmap().allocPixels();
+        m_nativeImage->bitmap().setIsOpaque(opaque);
+    }
+
+    virtual bool isBitmapImage() const
+    {
+        return true;
+    }
+
+    virtual bool currentFrameHasAlpha()
+    {
+        return !m_nativeImage->bitmap().isOpaque();
+    }
+
+    virtual IntSize size() const
+    {
+        return m_size;
+    }
+
+    virtual NativeImagePtr nativeImageForCurrentFrame()
+    {
+        if (m_size.isZero())
+            return 0;
+
+        return m_nativeImage.get();
+    }
+
+    // Stub implementations of pure virtual Image functions.
+    virtual void destroyDecodedData(bool)
+    {
+    }
+
+    virtual unsigned int decodedSize() const
+    {
+        return 0u;
+    }
+
+    virtual void draw(WebCore::GraphicsContext*, const WebCore::FloatRect&,
+                      const WebCore::FloatRect&, WebCore::ColorSpace,
+                      WebCore::CompositeOperator)
+    {
+    }
+
+private:
+
+    IntSize m_size;
+
+    OwnPtr<NativeImagePtr> m_nativeImage;
+};
+
+TEST(ImageLayerChromiumTest, opaqueImages)
+{
+    MockGraphicsLayerClient client;
+    OwnPtr<GraphicsLayerChromium> graphicsLayer = static_pointer_cast<GraphicsLayerChromium>(GraphicsLayer::create(&client));
+    ASSERT_TRUE(graphicsLayer.get());
+
+    RefPtr<Image> opaqueImage = TestImage::create(IntSize(100, 100), true);
+    ASSERT_TRUE(opaqueImage.get());
+    RefPtr<Image> nonOpaqueImage = TestImage::create(IntSize(100, 100), false);
+    ASSERT_TRUE(nonOpaqueImage.get());
+
+    ASSERT_FALSE(graphicsLayer->contentsLayer());
+
+    graphicsLayer->setContentsToImage(opaqueImage.get());
+    ASSERT_TRUE(graphicsLayer->contentsLayer()->opaque());
+
+    graphicsLayer->setContentsToImage(nonOpaqueImage.get());
+    ASSERT_FALSE(graphicsLayer->contentsLayer()->opaque());
+}
+
+} // namespace